Table 1.

Biological data, principal clinical complaint, evolution of clinical disease, and outcome of puppies.

Dog #	Age (m)	Sex	Breed and head confirmationa	Principal clinical manifestations	Evolution and outcome
1	3	F	Mixed	Anorexia, abdominal pain, icterus	5 days Spontaneous death
2	2	M	Labrador retriever Mesocephalic	Convulsions, excessive salvation, lateral recumbency, muscular tremor, purulent ocular secretions	8 days Spontaneous death
3	2	M	Yorkshire terrier Mesocephalic	Anorexia, bloody diarrhoea, convulsions, vomit	9 days Spontaneous death
4	2	M	Pekingese Brachycephalic	Bloody diarrhoea, hyporexia, vomit	1 day Spontaneous death
5	3	F	Spitz Mesocephalic	Respiratory difficulty	1 day Spontaneous death
6	2	F	Shih Tzu Brachycephalic	Anorexia, apathy, bloody diarrhoea, vomit	4 days Spontaneous death
7	1	F	Mixed	Abdominal pain, anorexia, bloody diarrhoea,  convulsions, lateral recumbency	1 day Spontaneous death
8	1	M	Mixed	Bloody diarrhoea, icterus	2 days Spontaneous death
9	2	M	Spitz Mesocephalic	Bloody diarrhoea, vomit	5 days Spontaneous death
10	4	F	Chihuahua Brachycephalic	Abdominal pain, anorexia, bloody diarrhoea	6 days Spontaneous death
11	2	M	Yorkshire terrier Mesocephalic	Bloody diarrhoea	3 days Spontaneous death
12	3	M	Mixed	Sudden death	1 day Sudden death
13	3	M	Cane Corso Brachycephalic	Bloody diarrhoea, vomit	10 days Spontaneous death
14	4	F	Doberman pinscher Dolichocephalic	Bloody diarrhoea, vomit	7 days Spontaneous death
15	2	F	Yorkshire terrier Mesocephalic	Abdominal pain, bloody diarrhoea, vomit	7 days Spontaneous death

^aHead conformation as described by Coren 2016.